Home / 89,677.62-123,750.33-49,390.02

Finding the Fourth Proportional to 89,677.62, 123,750.33 and 49,390.02

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Solution

The fourth proportional to 89,677.62, 123,750.33 and 49,390.02 is: 68,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677.62 : 123,750.33 = 49,390.02 : x
  2. Step 2: Convert to fraction form
    89,677.62/123,750.33 = 49,390.02/x
  3. Step 3: Cross multiply
    89,677.62x = 123,750.33 × 49,390.02
  4. Step 4: Simplify right side
    89,677.62x = 6,112,031,273.71
  5. Step 5: Solve for x
    x = 6,112,031,273.71/89,677.62
  6. Step 6: Final answer
    x = 68,155.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.